SD system에스디시스템
121890 · KOSDAQ · ₩121890 · 에스디시스템
- Market cap
- ₩34B
- Enterprise value
- ₩30B
- P/E
- 84.7×
- P/B
- 3.3×
- Dividend yield
- 0.0%
- ROE
- 3.9%
- Net margin
- 2.0%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−13.5% from the high
₩1,312Today: ₩2,455 – ₩2,750₩2,995
Returns
- 1W−3.0%
- 1M−5.1%
- 3M+36.4%
- 6M+48.9%
- YTD+48.9%
- 1Y+45.4%
- Volume today
- 20,419
- 0.3× the 20-day average
- Traded today
- ₩52M
- Listed shares
- 13,291,446
- EPS (12 months)
- ₩31
- Earnings yield 1.2%
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Signals
Quiet- BuzzQuietBuzz 27 of 100 (50 is a normal day for this stock).
- MomentumWeak-5.1% over the last month; the price is below its 20-day average.
Signals describe activity, not recommendations. Not financial advice.
SD system stock overview
SD system (에스디시스템, KRX: 121890) is listed on KOSDAQ, in the Electronic components sector. The company is a specialist firm that handles the full cycle of highway toll collection systems and intelligent transport systems (ITS), including system integration, software and hardware development, installation and maintenance. Its shares closed at ₩2,590 on Oct 28, 2026, up 4.23% on the day, giving it a market value of ₩34B.
Key facts
- Market cap
- ₩34B
- Sector
- Electronic components
- Latest price change
- +4.23%
- As of
- Oct 28, 2026
- Main business
- The company is a specialist firm that handles the full cycle of highway toll collection systems and intelligent transport systems (ITS), including system integration, software and hardware development, installation and maintenance.
Quick answers about SD system
- What does SD system do?
- The company is a specialist firm that handles the full cycle of highway toll collection systems and intelligent transport systems (ITS), including system integration, software and hardware development, installation and maintenance. It also works on fire information systems and on-board units (OBU) for high-pass toll tags, and it serves government agencies, local governments, the Korea Expressway Corporation, private road operators and the military, with a growing presence in overseas markets such as Panama, India and Thailand.
- What is the market cap of SD system?
- The market capitalisation of SD system was ₩34B at the close on Oct 28, 2026.
- Who are the largest shareholders of SD system?
- According to the latest official filings, the largest reported holders are Lee Chang-hee (0.05%, as of May 6, 2026).
- When is the next earnings report from SD system?
- Korean companies rarely announce results dates in advance. Based on when SD system filed the same report in past years, its next 3q results is expected between Nov 10, 2026 and Nov 12, 2026.
Company profile
The company is a specialist firm that handles the full cycle of highway toll collection systems and intelligent transport systems (ITS), including system integration, software and hardware development, installation and maintenance. It also works on fire information systems and on-board units (OBU) for high-pass toll tags, and it serves government agencies, local governments, the Korea Expressway Corporation, private road operators and the military, with a growing presence in overseas markets such as Panama, India and Thailand.
Written by AI from the company's latest annual report.
- Korean name
- 에스디시스템
- Sector
- Electronic components
- Themes
- Smartphone parts
- CEO
- 박봉용
- Founded
- Apr 2001
- Listed
- Jul 2010
- Listed shares
- 13,291,446
- Fiscal year ends
- Month 12
- Website
- www.sdsystem.co.kr
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Recent filings
See all- Half-year report (Jun 2026)Aug 13, 2026
- Results of Extraordinary Shareholders' MeetingJul 20, 2026
- Amended: Shareholders' meeting calledJul 3, 2026
- Notice of shareholders' meetingJul 3, 2026
- Amended: Shareholders' meeting calledJun 2, 2026
Titles in Korean until English translations are added.
Also known as: SD system / 에스디시스템 / 121890 / KRX:121890
Source: KRX statistical information